111 Main’s reinforced concrete core wall system provides vertical and lateral support for an innovative 25-story office tower suspended over adjacent performing arts center.

Located in a region of high seismicity in close proximity to the active Salt Lake Segment of the Wasatch Fault Zone, the new 111 Main office tower in Salt Lake City, Utah, comprises 501,455 square feet of Class A office space. The 25-story building rises 387 feet above grade and contains a penthouse roof-level steel hat-truss system with all perimeter columns suspended to allow for air-rights overhang at adjacent performing arts center. …

111 Main’s innovative “balanced” structural system supports the 25-story high-rise above an adjacent performing arts center.

In Salt Lake City, Utah, at 387 feet above grade, 111 Main has become the newest and one of the tallest additions to the skyline. Currently under construction in the heart of the downtown City Center neighborhood, the roof hat-truss structure of the 25-story, 501,455 square foot Class A office tower was topped off this past January, with its loads successfully transferred from a temporary shoring support system to the permanent structural system during a one-day 12-hour period. …